#C9ED58#C9ED58

#C9ED58 is a very light, vivid yellow-green. Relative luminance 0.737; OKLCH L 89.2% C 0.177 H 121.7°. Best body text is #000000 at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#C9ED58
RGB	rgb(201, 237, 88)
HSL	hsl(74, 81%, 64%)
HSV	hsv(74, 63%, 93%)
CMYK	cmyk(15.2%, 0%, 62.9%, 7.1%)
CIE-LAB	lab(88.78, -32.12, 66.02)
CIE-LCH	lch(88.78, 73.42, 115.94°)
OKLab	oklab(89.22% -0.093 0.1508)
OKLCH	oklch(89.22% 0.177 121.7)
XYZ	xyz(56.1337, 73.6904, 20.4971)
Luminance	0.7369 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9ED58 #7C58ED

analogous

#EDC758 #C9ED58 #7EED58

triadic

#C9ED58 #58C9ED #ED58C9

tetradic

#C9ED58 #58EDC7 #7C58ED #ED587E

square

#C9ED58 #58EDC7 #7C58ED #ED587E

split-complementary

#C9ED58 #587EED #C758ED

monochromatic

#8FB714 #B7E721 #C9ED58 #DBF38F #EDF9C6

Accessibility & contrast

On white

1.33

#C9ED58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.74

#C9ED58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9ED58

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9ED58	#FFFFFF	#000000	##000000
##C9ED58	1.00	1.33	15.74	15.74
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.74	21.00	1.00	1.00
##000000	15.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE045

Deuteranopia (green-blind)

#F6DF63

Tritanopia (blue-blind)

#D3E2CE

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #c9ed58;
/* rgb */ color: rgb(201, 237, 88);
/* oklch */ color: oklch(89.2% 0.177 121.7);

Tailwind

colors: {
  custom: {
    50: '#dcf28e',
    500: '#c9ed58',
    950: '#000000',
  },
}

SCSS

$custom: #c9ed58;
$custom-light: #dcf28e;
$custom-dark: #000000;

JSON

{
  "hex": "#c9ed58",
  "rgb": {
    "r": 201,
    "g": 237,
    "b": 88
  },
  "hsl": {
    "h": 74.497,
    "s": 80.541,
    "l": 63.725
  },
  "oklch": {
    "l": 0.89222,
    "c": 0.17714,
    "h": 121.7
  },
  "luminance": 0.7369
}

Semantic roles & 50–950 ramp

primary

#C9ED58

secondary

#5333B6

accent

#09DD3C

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15170D

muted

#84857F

Preview Lab

Preview with #C9ED58

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →